US2932633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic conversion and catalysts
Assignee: Standard Oil Co
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Filing: 1956-03-28
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Granted: 1960-04-12
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Expires: 1976-03-28
Abstract
No abstract record available.
Inventors
- 👤 Omar O Juveland
- 👤 Herbert N Friedlander
- 👤 Field Edmund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:02
CPC Classifications
C; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
77 words
IN A PROCESS FOR THE PREPARATION OF A NORMALLY SOLID POLYMER WHICH COMPRISES CONTACTING A FEEDSTOCK CONTAINING AT LEAST ONE UNBRANCHED NORMALLY GASEOUS 1-ALKENE WITH A POLYMERIZATIION CATALYST PREPARED BY ADMIXING AN ALKALI METAL WITH A TETRAHALIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM, ZIRCONIUM AND HAFNIUM, THE IMPROVEMENT OF EFFECTING AND CONTACTING UNDER POLYMERIZATION CONDITIONS IN THE PRESENCE OF AN ADDED AMINE SELECTED FROM THE CLASS CONSISTING OF PRIMARY AND TERTIARY ALKYL AMINES.
Claim 2
Dependent Claim
77 words
IN A PROCESS FOR THE PREPARATION OF A NORMALLY SOLID POLYMER WHICH COMPRISES CONTACTING A FEEDSTOCK CONTAINING AT LEAST ONE UNBRANCHED NORMALLY GASEOUS 1-ALKENE WITH A POLYMERIZATIION CATALYST PREPARED BY ADMIXING AN ALKALI METAL WITH A TETRAHALIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM, ZIRCONIUM AND HAFNIUM, THE IMPROVEMENT OF EFFECTING AND CONTACTING UNDER POLYMERIZATION CONDITIONS IN THE PRESENCE OF AN ADDED AMINE SELECTED FROM THE CLASS CONSISTING OF PRIMARY AND TERTIARY ALKYL AMINES.
Claim 3
Dependent Claim
65 words
A NOVEL COMPOSITION CONSISTING ESSENTIALLY OF THE REACTION PRODUCT SECURED BY ADMIXING AT LEAST ABOUT 2 GRAM ATOMIC WEIGHTS OF AN ALKALI METAL WIT BETWEEN ABOUT 0.1 AND BOUT 1 GRAM MOLECULAR WEIGHT OF A TITANIUM TETRAHALIDE AND BETWEEN ABOUT 0.01 AND ABOUT 20% BY WEIGHT, BASED ON SAID ALKALI REAGENT, OF AN AMINE SELECTED FROM THE CLASS CONSISTING OF PRIMARY AND TERTIARY ALKYL AMINES.
Claim 4
Dependent Claim
65 words
A NOVEL COMPOSITION CONSISTING ESSENTIALLY OF THE REACTION PRODUCT SECURED BY ADMIXING AT LEAST ABOUT 2 GRAM ATOMIC WEIGHTS OF AN ALKALI METAL WIT BETWEEN ABOUT 0.1 AND BOUT 1 GRAM MOLECULAR WEIGHT OF A TITANIUM TETRAHALIDE AND BETWEEN ABOUT 0.01 AND ABOUT 20% BY WEIGHT, BASED ON SAID ALKALI REAGENT, OF AN AMINE SELECTED FROM THE CLASS CONSISTING OF PRIMARY AND TERTIARY ALKYL AMINES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |